Binomial coefficient C(6n,n-4).

A004359

Binomial coefficient C(6n,n-4).

Terms

    a(0) =1a(1) =30a(2) =630a(3) =11480a(4) =194580a(5) =3162510a(6) =50063860a(7) =778789440a(8) =11969016345a(9) =182364632450

External references